//
//  Car.h
//  Day5
//
//  Created by wenjim on 17/10/6.
//  Copyright © 2017年 WenJim. All rights reserved.
//

#import <Foundation/Foundation.h>
//#import "Wheel.h"
@class Wheel;

@interface Car : NSObject
@property (nonatomic,retain) Wheel   * wheel;
@end
